Tacitus (275-276). BI Antoninianus. Lugdunum (Lyon) mint. Obv. IMP C M CL TACITVS PF AVG. Radiate, draped and cuirassed bust right. Rev. VIRTVS AVG. Helmeted Mars standing left, holding spear and shield set on ground. RIC V 67. 3.47 g. 22.00 mm. Glossy green-brown patina. EF.